[PATCH 4/6] avocado_qemu: tweak ssh connect method

[Willian Rampazzo]

The current implementation will crash if the connection fails as the
`time` module is not imported. This fixes the import problem and tweaks
the connection to wait progressively when the connection fails.

Signed-off-by: Willian Rampazzo <willianr@redhat.com>
---
 tests/acceptance/avocado_qemu/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/acceptance/avocado_qemu/__init__.py 
b/tests/acceptance/avocado_qemu/__init__.py
index edb9ed7485..c3613f9262 100644
--- a/tests/acceptance/avocado_qemu/__init__.py
+++ b/tests/acceptance/avocado_qemu/__init__.py
@@ -13,6 +13,7 @@
 import shutil
 import sys
 import tempfile
+import time
 import uuid
 
 import avocado
@@ -305,8 +306,7 @@ def ssh_connect(self, username, credential, 
credential_is_key=True):
                 self.ssh_session.connect()
                 return
             except:
-                time.sleep(4)
-                pass
+                time.sleep(i)
         self.fail('ssh connection timeout')
 
     def ssh_command(self, command):
-- 
2.31.1